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Mean Cognitive Scores of Patients and Siblings (N = 30 pairs).
| Test / Index | Domain | Patients | Siblings | ||
|---|---|---|---|---|---|
|
| |||||
| Mean (SD) | Mean (SD) | t | p | ||
|
|
|||||
| Performance IQ | Visual-spatial skills | 103.4 (14.4) | 102.2 (12.6) | .60 | .55 |
| Processing Speed Index | Processing Speed | 91.0 (11.3) | 100.6 (12.3) | −3.5 | .002 |
| Digit Span Backward | Working memory | 10.9 (3.6) | 10.7 (3.1) | .30 | .77 |
| DKEFS Trails Switching | Executive functioning | 8.7 (3.2) | 9.1 (3.2) | −.46 | .65 |
DKEFS = Delis Kaplan Executive Function System.
